﻿// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Text.RegularExpressions;
using Microsoft.Practices.EnterpriseLibrary.Validation.Validators;
using Microsoft.Practices.EnterpriseLibrary.Common.Configuration;
using System.ComponentModel;
using Microsoft.Practices.EnterpriseLibrary.Common.Configuration.Design;

namespace Microsoft.Practices.EnterpriseLibrary.Validation.Configuration
{
    /// <summary>
    /// Configuration object to describe an instance of class <see cref="RegexValidator"/>.
    /// </summary>
    /// <seealso cref="AndCompositeValidator"/>
    /// <seealso cref="RegexValidator"/>
    [ResourceDescription(typeof(DesignResources), "RegexValidatorDataDescription")]
    [ResourceDisplayName(typeof(DesignResources), "RegexValidatorDataDisplayName")]
    public class RegexValidatorData : ValueValidatorData
    {
        private static readonly AssemblyQualifiedTypeNameConverter typeConverter = new AssemblyQualifiedTypeNameConverter();

        /// <summary>
        /// <para>Initializes a new instance of the <see cref="RegexValidatorData"/> class.</para>
        /// </summary>
        public RegexValidatorData()
        {
            Type = typeof(RegexValidator);
        }

        /// <summary>
        /// <para>Initializes a new instance of the <see cref="RegexValidatorData"/> class with a name.</para>
        /// </summary>
        /// <param name="name">The name for the instance.</param>
        public RegexValidatorData(string name)
            : base(name, typeof(RegexValidator))
        { }

        private const string PatternPropertyName = "pattern";
        /// <summary>
        /// Gets or sets the pattern for the represented validator.
        /// </summary>
        /// <seealso cref="RegexValidator.Pattern"/>
        [ConfigurationProperty(PatternPropertyName)]
        [Editor(CommonDesignTime.EditorTypes.RegexTypeEditor, CommonDesignTime.EditorTypes.UITypeEditor)]
        [ResourceDescription(typeof(DesignResources), "RegexValidatorDataPatternDescription")]
        [ResourceDisplayName(typeof(DesignResources), "RegexValidatorDataPatternDisplayName")]
        public string Pattern
        {
            get { return (string)this[PatternPropertyName]; }
            set { this[PatternPropertyName] = value; }
        }

        private const string OptionsPropertyName = "options";

        /// <summary>
        /// Gets or sets the regex options for the represented validator.
        /// </summary>
        /// <seealso cref="RegexOptions"/>
        /// <seealso cref="RegexValidator.Options"/>
        [ConfigurationProperty(OptionsPropertyName)]
        [Editor(CommonDesignTime.EditorTypes.Flags, CommonDesignTime.EditorTypes.FrameworkElement)]
        [ResourceDescription(typeof(DesignResources), "RegexValidatorDataOptionsDescription")]
        [ResourceDisplayName(typeof(DesignResources), "RegexValidatorDataOptionsDisplayName")]
        public RegexOptions Options
        {
            get { return (RegexOptions)this[OptionsPropertyName]; }
            set { this[OptionsPropertyName] = value; }
        }

        private const string PatternResourceNamePropertyName = "patternResourceName";
        /// <summary>
        /// Gets or sets the name of the resource holding the regex pattern.
        /// </summary>
        [ConfigurationProperty(PatternResourceNamePropertyName)]
        [ResourceDescription(typeof(DesignResources), "RegexValidatorDataPatternResourceNameDescription")]
        [ResourceDisplayName(typeof(DesignResources), "RegexValidatorDataPatternResourceNameDisplayName")]
        [Category("CategoryLocalization")]
        public string PatternResourceName
        {
            get { return (string)this[PatternResourceNamePropertyName]; }
            set { this[PatternResourceNamePropertyName] = value; }
        }

        private const string PatternResourceTypePropertyName = "patternResourceType";
        /// <summary>
        /// Gets or sets the name of the resource type holding the regex pattern.
        /// </summary>
        [ConfigurationProperty(PatternResourceTypePropertyName)]
        [Editor(CommonDesignTime.EditorTypes.TypeSelector, CommonDesignTime.EditorTypes.UITypeEditor)]
        [Category("CategoryLocalization")]
        [ResourceDescription(typeof(DesignResources), "RegexValidatorDataPatternResourceTypeNameDescription")]
        [ResourceDisplayName(typeof(DesignResources), "RegexValidatorDataPatternResourceTypeNameDisplayName")]
        public string PatternResourceTypeName
        {
            get { return (string)this[PatternResourceTypePropertyName]; }
            set { this[PatternResourceTypePropertyName] = value; }
        }

        /// <summary>
        /// Gets or sets the enum element type.
        /// </summary>
        public Type PatternResourceType
        {
            get { return (Type)typeConverter.ConvertFrom(PatternResourceTypeName); }
            set { PatternResourceTypeName = typeConverter.ConvertToString(value); }
        }

        /// <summary>
        /// Creates the <see cref="RegexValidator"/> described by the configuration object.
        /// </summary>
        /// <param name="targetType">The type of object that will be validated by the validator.</param>
        /// <returns>The created <see cref="RegexValidator"/>.</returns>
        protected override Validator DoCreateValidator(Type targetType)
        {
            return new RegexValidator(this.Pattern, this.PatternResourceName, this.PatternResourceType, this.Options, MessageTemplate, Negated);
        }
    }
}
